Say O Muhammad to those stay-at-home Arabs: "You will be called upon to make your march for a land whose people face danger with boldness, firmness and courage and they exercise powerful and vehement opposition, and you are expected to war against them unless they, of their own free will, submit and surrender their very selves to Allah". "And if you comply with Allah's command, He will requite you graciously, but if you should change your minds and turn back as you did before, He shall afflict you with a condign punishment".